Schwarzkopf - Igora Royal Hair Developer (9%, 30 Vol.) (1000ML)

Use 9%/30 Volume: For coloring up to 1-2 levels lighter with shades from the Color of Rhapsody, Harmony, Lust, Perfection, and Serenity. For lightening 2-3 levels with 10- series. For lightening 3-4 levels with 12- series. For covering resistive white hair with –00 shades. For covering white hair with the Color of Commitment.